Addressable Name[C Lang]

#include <stdio.h>
#include <stdlib.h>

// function returns the total number of space in the string
// if name = Sourav Ahmed Subho
// return value is 2
int get_space_count(char* name)
{
    int space_count = 0,i;
    for(i = 0; name[i] != '\0';i++){
        if(name[i] == ' ') space_count++;
    }

    return space_count;
}

int main(int argc, char const *argv[])
{
    char name[100];
    int res,i,flag=1;

    printf("Enter Your name: ");
    scanf("%[^\n]",&name);

    res = get_space_count(name);
    i = 0;
    // loop will be from upto the last space. therefore 2 space will be reduce by 1
    // 2 then 1(total run time is 2[for 2 it will run, for 1 it will run]) then 0. in zero the loop breaks.
    while(res > 0){
        //first the initial will be printed.
        if(flag == 1){
            // check will be the last initial
            // if res is 1 then its the last last initial so no (dot) only a space
            if(res == 1){
                printf("%c ",name[i]);
            }
            // else after initial their will be a (dot) added.
            else{
                printf("%c.",name[i]);
            }
            flag = 0;
        }
        if(name[i] == ' '){
            flag = 1;
            res --;
        }
        i++;
    }

    // after all the initial is printed, the left over sir name is printed.
    while(name[i]!='\0'){
        printf("%c",name[i++]);
    }
    printf("\n\n");
    return 0;
}